Home / 2,845,328.72-3,926,655.83-1,621,818.86

Finding the Fourth Proportional to 2,845,328.72, 3,926,655.83 and 1,621,818.86

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Solution

The fourth proportional to 2,845,328.72, 3,926,655.83 and 1,621,818.86 is: 2,238,168.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845,328.72 : 3,926,655.83 = 1,621,818.86 : x
  2. Step 2: Convert to fraction form
    2,845,328.72/3,926,655.83 = 1,621,818.86/x
  3. Step 3: Cross multiply
    2,845,328.72x = 3,926,655.83 × 1,621,818.86
  4. Step 4: Simplify right side
    2,845,328.72x = 6,368,324,466,244.22
  5. Step 5: Solve for x
    x = 6,368,324,466,244.22/2,845,328.72
  6. Step 6: Final answer
    x = 2,238,168.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.